1305434464421 has 8 divisors (see below), whose sum is σ = 1382313890304. Its totient is φ = 1228564945600.

The previous prime is 1305434464309. The next prime is 1305434464423. The reversal of 1305434464421 is 1244644345031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1305434464421 - 2¹⁴ = 1305434448037 is a prime.

It is a super-2 number, since 2×1305434464421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305434464423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2204615 + ... + 2733348.

It is an arithmetic number, because the mean of its divisors is an integer number (172789236288).

Almost surely, 2^{1305434464421} is an apocalyptic number.

It is an amenable number.

1305434464421 is a deficient number, since it is larger than the sum of its proper divisors (76879425883).

1305434464421 is a wasteful number, since it uses less digits than its factorization.

1305434464421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953531.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 1305434464421 in words is "one trillion, three hundred five billion, four hundred thirty-four million, four hundred sixty-four thousand, four hundred twenty-one".